Contract OI history

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Jan 15, 2027 EXPIRATION

WAT $450.00 Call

WAT270115C00450000

Latest saved OI872Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WAT $450.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8724360 2026-10-02: 816 OI2026-10-05: 816 OI2026-10-06: 872 OI2026-10-07: 872 OI2026-10-08: 872 OI2026-10-09: 872 OI2026-10-14: 872 OI2026-10-15: 872 OI2026-10-16: 872 OI2026-10-21: 872 OI2026-10-23: 872 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20268720
Oct 21, 2026Viewing8720
Oct 16, 20268720
Oct 15, 20268720
Oct 14, 20268720
Oct 09, 20268720
Oct 08, 20268720
Oct 07, 20268720
Oct 06, 2026872+56
Oct 05, 20268160
Oct 02, 2026816No prior observation